.pages {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 49px;
    width: 100%;
    background: #fff;
    
    .content {
        position: absolute;
        top: 44px;
        bottom: 0;
        left: 0;
        width: 100%;
        overflow: auto;
    }
}
#app{
    width: 100%;
    height:100%;
}
.subBottom{
    bottom:0;
    background: #fff;
    z-index: 10;
    overflow: auto;
}